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# Copyright 2015 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# GRPC contains the General RPC module.
module GRPC
# DefaultLogger is a module included in GRPC if no other logging is set up for
# it. See ../spec/spec_helpers an example of where other logging is added.
module DefaultLogger
def logger
LOGGER
end
private
# NoopLogger implements the methods of Ruby's conventional logging interface
# that are actually used internally within gRPC with a noop implementation.
class NoopLogger
def info(_ignored)
end
def debug(_ignored)
end
def warn(_ignored)
end
end
LOGGER = NoopLogger.new
end
# Inject the noop #logger if no module-level logger method has been injected.
extend DefaultLogger unless methods.include?(:logger)
end
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